diff -r 000000000000 -r 4f2f89ce4247 WebKitTools/Scripts/webkitdirs.pm
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKitTools/Scripts/webkitdirs.pm	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,1723 @@
+# Copyright (C) 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
+# Copyright (C) 2009 Google Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1.  Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer. 
+# 2.  Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution. 
+# 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+#     its contributors may be used to endorse or promote products derived
+#     from this software without specific prior written permission. 
+#
+# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Module to share code to get to WebKit directories.
+
+use strict;
+use warnings;
+use Config;
+use FindBin;
+use File::Basename;
+use File::Path;
+use File::Spec;
+use POSIX;
+use VCSUtils;
+
+BEGIN {
+   use Exporter   ();
+   our ($VERSION, @ISA, @EXPORT, @EXPORT_OK, %EXPORT_TAGS);
+   $VERSION     = 1.00;
+   @ISA         = qw(Exporter);
+   @EXPORT      = qw(&chdirWebKit &baseProductDir &productDir &XcodeOptions &XcodeOptionString &XcodeOptionStringNoConfig &passedConfiguration &setConfiguration &safariPath &checkFrameworks &currentSVNRevision);
+   %EXPORT_TAGS = ( );
+   @EXPORT_OK   = ();
+}
+
+our @EXPORT_OK;
+
+my $architecture;
+my $numberOfCPUs;
+my $baseProductDir;
+my @baseProductDirOption;
+my $configuration;
+my $configurationForVisualStudio;
+my $configurationProductDir;
+my $sourceDir;
+my $currentSVNRevision;
+my $osXVersion;
+my $isQt;
+my $isSymbian;
+my %qtFeatureDefaults;
+my $isGtk;
+my $isWx;
+my $isEfl;
+my @wxArgs;
+my $isChromium;
+my $isInspectorFrontend;
+
+# Variables for Win32 support
+my $vcBuildPath;
+my $windowsTmpPath;
+my $windowsSourceDir;
+my $winVersion;
+my $willUseVCExpressWhenBuilding = 0;
+
+# Defined in VCSUtils.
+sub exitStatus($);
+
+sub determineSourceDir
+{
+    return if $sourceDir;
+    $sourceDir = $FindBin::Bin;
+    $sourceDir =~ s|/+$||; # Remove trailing '/' as we would die later
+
+    # walks up path checking each directory to see if it is the main WebKit project dir, 
+    # defined by containing JavaScriptCore, WebCore, and WebKit
+    until ((-d "$sourceDir/JavaScriptCore" && -d "$sourceDir/WebCore" && -d "$sourceDir/WebKit") || (-d "$sourceDir/Internal" && -d "$sourceDir/OpenSource"))
+    {
+        if ($sourceDir !~ s|/[^/]+$||) {
+            die "Could not find top level webkit directory above source directory using FindBin.\n";
+        }
+    }
+
+    $sourceDir = "$sourceDir/OpenSource" if -d "$sourceDir/OpenSource";
+}
+
+sub currentPerlPath()
+{
+    my $thisPerl = $^X;
+    if ($^O ne 'VMS') {
+        $thisPerl .= $Config{_exe} unless $thisPerl =~ m/$Config{_exe}$/i;
+    }
+    return $thisPerl;
+}
+
+# used for scripts which are stored in a non-standard location
+sub setSourceDir($)
+{
+    ($sourceDir) = @_;
+}
+
+sub determineBaseProductDir
+{
+    return if defined $baseProductDir;
+    determineSourceDir();
+
+    $baseProductDir = $ENV{"WEBKITOUTPUTDIR"};
+
+    if (!defined($baseProductDir) and isAppleMacWebKit()) {
+        # Silently remove ~/Library/Preferences/xcodebuild.plist which can
+        # cause build failure. The presence of
+        # ~/Library/Preferences/xcodebuild.plist can prevent xcodebuild from
+        # respecting global settings such as a custom build products directory
+        # (<rdar://problem/5585899>).
+        my $personalPlistFile = $ENV{HOME} . "/Library/Preferences/xcodebuild.plist";
+        if (-e $personalPlistFile) {
+            unlink($personalPlistFile) || die "Could not delete $personalPlistFile: $!";
+        }
+
+        open PRODUCT, "defaults read com.apple.Xcode PBXApplicationwideBuildSettings 2> " . File::Spec->devnull() . " |" or die;
+        $baseProductDir = join '', <PRODUCT>;
+        close PRODUCT;
+
+        $baseProductDir = $1 if $baseProductDir =~ /SYMROOT\s*=\s*\"(.*?)\";/s;
+        undef $baseProductDir unless $baseProductDir =~ /^\//;
+
+        if (!defined($baseProductDir)) {
+            open PRODUCT, "defaults read com.apple.Xcode PBXProductDirectory 2> " . File::Spec->devnull() . " |" or die;
+            $baseProductDir = <PRODUCT>;
+            close PRODUCT;
+            if ($baseProductDir) {
+                chomp $baseProductDir;
+                undef $baseProductDir unless $baseProductDir =~ /^\//;
+            }
+        }
+    } elsif (isSymbian()) {
+        # Shadow builds are not supported on Symbian
+        $baseProductDir = $sourceDir;
+    }
+
+    if (!defined($baseProductDir)) { # Port-spesific checks failed, use default
+        $baseProductDir = "$sourceDir/WebKitBuild";
+    }
+
+    if (isGit() && isGitBranchBuild()) {
+        my $branch = gitBranch();
+        $baseProductDir = "$baseProductDir/$branch";
+    }
+
+    if (isAppleMacWebKit()) {
+        $baseProductDir =~ s|^\Q$(SRCROOT)/..\E$|$sourceDir|;
+        $baseProductDir =~ s|^\Q$(SRCROOT)/../|$sourceDir/|;
+        $baseProductDir =~ s|^~/|$ENV{HOME}/|;
+        die "Can't handle Xcode product directory with a ~ in it.\n" if $baseProductDir =~ /~/;
+        die "Can't handle Xcode product directory with a variable in it.\n" if $baseProductDir =~ /\$/;
+        @baseProductDirOption = ("SYMROOT=$baseProductDir", "OBJROOT=$baseProductDir");
+    }
+
+    if (isCygwin()) {
+        my $dosBuildPath = `cygpath --windows \"$baseProductDir\"`;
+        chomp $dosBuildPath;
+        $ENV{"WEBKITOUTPUTDIR"} = $dosBuildPath;
+    }
+
+    if (isAppleWinWebKit()) {
+        my $unixBuildPath = `cygpath --unix \"$baseProductDir\"`;
+        chomp $unixBuildPath;
+        $baseProductDir = $unixBuildPath;
+    }
+}
+
+sub setBaseProductDir($)
+{
+    ($baseProductDir) = @_;
+}
+
+sub determineConfiguration
+{
+    return if defined $configuration;
+    determineBaseProductDir();
+    if (open CONFIGURATION, "$baseProductDir/Configuration") {
+        $configuration = <CONFIGURATION>;
+        close CONFIGURATION;
+    }
+    if ($configuration) {
+        chomp $configuration;
+        # compatibility for people who have old Configuration files
+        $configuration = "Release" if $configuration eq "Deployment";
+        $configuration = "Debug" if $configuration eq "Development";
+    } else {
+        $configuration = "Release";
+    }
+}
+
+sub determineArchitecture
+{
+    return if defined $architecture;
+    # make sure $architecture is defined for non-apple-mac builds
+    $architecture = "";
+    return unless isAppleMacWebKit();
+
+    determineBaseProductDir();
+    if (open ARCHITECTURE, "$baseProductDir/Architecture") {
+        $architecture = <ARCHITECTURE>;
+        close ARCHITECTURE;
+    }
+    if ($architecture) {
+        chomp $architecture;
+    } else {
+        if (isTiger() or isLeopard()) {
+            $architecture = `arch`;
+        } else {
+            my $supports64Bit = `sysctl -n hw.optional.x86_64`;
+            chomp $supports64Bit;
+            $architecture = $supports64Bit ? 'x86_64' : `arch`;
+        }
+        chomp $architecture;
+    }
+}
+
+sub determineNumberOfCPUs
+{
+    return if defined $numberOfCPUs;
+    if (isLinux()) {
+        # First try the nproc utility, if it exists. If we get no
+        # results fall back to just interpretting /proc directly.
+        chomp($numberOfCPUs = `nproc 2> /dev/null`);
+        if ($numberOfCPUs eq "") {
+            $numberOfCPUs = (grep /processor/, `cat /proc/cpuinfo`);
+        }
+    } elsif (isWindows() || isCygwin()) {
+        if (defined($ENV{NUMBER_OF_PROCESSORS})) {
+            $numberOfCPUs = $ENV{NUMBER_OF_PROCESSORS};
+        } else {
+            # Assumes cygwin
+            $numberOfCPUs = `ls /proc/registry/HKEY_LOCAL_MACHINE/HARDWARE/DESCRIPTION/System/CentralProcessor | wc -w`;
+        }
+    } elsif (isDarwin()) {
+        $numberOfCPUs = `sysctl -n hw.ncpu`;
+    }
+}
+
+sub jscPath($)
+{
+    my ($productDir) = @_;
+    my $jscName = "jsc";
+    $jscName .= "_debug"  if (isCygwin() && ($configuration eq "Debug"));
+    return "$productDir/$jscName" if -e "$productDir/$jscName";
+    return "$productDir/JavaScriptCore.framework/Resources/$jscName";
+}
+
+sub argumentsForConfiguration()
+{
+    determineConfiguration();
+    determineArchitecture();
+
+    my @args = ();
+    push(@args, '--debug') if $configuration eq "Debug";
+    push(@args, '--release') if $configuration eq "Release";
+    push(@args, '--32-bit') if $architecture ne "x86_64";
+    push(@args, '--qt') if isQt();
+    push(@args, '--symbian') if isSymbian();
+    push(@args, '--gtk') if isGtk();
+    push(@args, '--efl') if isEfl();
+    push(@args, '--wx') if isWx();
+    push(@args, '--chromium') if isChromium();
+    push(@args, '--inspector-frontend') if isInspectorFrontend();
+    return @args;
+}
+
+sub determineConfigurationForVisualStudio
+{
+    return if defined $configurationForVisualStudio;
+    determineConfiguration();
+    $configurationForVisualStudio = $configuration;
+    return unless $configuration eq "Debug";
+    setupCygwinEnv();
+    chomp(my $dir = `cygpath -ua '$ENV{WEBKITLIBRARIESDIR}'`);
+    $configurationForVisualStudio = "Debug_Internal" if -f "$dir/bin/CoreFoundation_debug.dll";
+}
+
+sub determineConfigurationProductDir
+{
+    return if defined $configurationProductDir;
+    determineBaseProductDir();
+    determineConfiguration();
+    if (isAppleWinWebKit() && !isWx()) {
+        $configurationProductDir = "$baseProductDir/bin";
+    } else {
+        # [Gtk][Efl] We don't have Release/Debug configurations in straight
+        # autotool builds (non build-webkit). In this case and if
+        # WEBKITOUTPUTDIR exist, use that as our configuration dir. This will
+        # allows us to run run-webkit-tests without using build-webkit.
+        if ($ENV{"WEBKITOUTPUTDIR"} && (isGtk() || isEfl())) {
+            $configurationProductDir = "$baseProductDir";
+        } else {
+            $configurationProductDir = "$baseProductDir/$configuration";
+        }
+    }
+}
+
+sub setConfigurationProductDir($)
+{
+    ($configurationProductDir) = @_;
+}
+
+sub determineCurrentSVNRevision
+{
+    return if defined $currentSVNRevision;
+    determineSourceDir();
+    $currentSVNRevision = svnRevisionForDirectory($sourceDir);
+    return $currentSVNRevision;
+}
+
+
+sub chdirWebKit
+{
+    determineSourceDir();
+    chdir $sourceDir or die;
+}
+
+sub baseProductDir
+{
+    determineBaseProductDir();
+    return $baseProductDir;
+}
+
+sub sourceDir
+{
+    determineSourceDir();
+    return $sourceDir;
+}
+
+sub productDir
+{
+    determineConfigurationProductDir();
+    return $configurationProductDir;
+}
+
+sub jscProductDir
+{
+    my $productDir = productDir();
+    $productDir .= "/JavaScriptCore" if isQt();
+    $productDir .= "/$configuration" if (isQt() && isWindows());
+    $productDir .= "/Programs" if (isGtk() || isEfl());
+
+    return $productDir;
+}
+
+sub configuration()
+{
+    determineConfiguration();
+    return $configuration;
+}
+
+sub configurationForVisualStudio()
+{
+    determineConfigurationForVisualStudio();
+    return $configurationForVisualStudio;
+}
+
+sub currentSVNRevision
+{
+    determineCurrentSVNRevision();
+    return $currentSVNRevision;
+}
+
+sub XcodeOptions
+{
+    determineBaseProductDir();
+    determineConfiguration();
+    determineArchitecture();
+    return (@baseProductDirOption, "-configuration", $configuration, "ARCHS=$architecture");
+}
+
+sub XcodeOptionString
+{
+    return join " ", XcodeOptions();
+}
+
+sub XcodeOptionStringNoConfig
+{
+    return join " ", @baseProductDirOption;
+}
+
+sub XcodeCoverageSupportOptions()
+{
+    my @coverageSupportOptions = ();
+    push @coverageSupportOptions, "GCC_GENERATE_TEST_COVERAGE_FILES=YES";
+    push @coverageSupportOptions, "GCC_INSTRUMENT_PROGRAM_FLOW_ARCS=YES";
+    push @coverageSupportOptions, "EXTRA_LINK= \$(EXTRA_LINK) -ftest-coverage -fprofile-arcs";
+    push @coverageSupportOptions, "OTHER_CFLAGS= \$(OTHER_CFLAGS) -DCOVERAGE -MD";
+    push @coverageSupportOptions, "OTHER_LDFLAGS=\$(OTHER_LDFLAGS) -ftest-coverage -fprofile-arcs -framework AppKit";
+    return @coverageSupportOptions;
+}
+
+my $passedConfiguration;
+my $searchedForPassedConfiguration;
+sub determinePassedConfiguration
+{
+    return if $searchedForPassedConfiguration;
+    $searchedForPassedConfiguration = 1;
+
+    my $isWinCairo = checkForArgumentAndRemoveFromARGV("--cairo-win32");
+
+    for my $i (0 .. $#ARGV) {
+        my $opt = $ARGV[$i];
+        if ($opt =~ /^--debug$/i || $opt =~ /^--devel/i) {
+            splice(@ARGV, $i, 1);
+            $passedConfiguration = "Debug";
+            $passedConfiguration .= "_Cairo" if ($isWinCairo && isCygwin());
+            return;
+        }
+        if ($opt =~ /^--release$/i || $opt =~ /^--deploy/i) {
+            splice(@ARGV, $i, 1);
+            $passedConfiguration = "Release";
+            $passedConfiguration .= "_Cairo" if ($isWinCairo && isCygwin());
+            return;
+        }
+        if ($opt =~ /^--profil(e|ing)$/i) {
+            splice(@ARGV, $i, 1);
+            $passedConfiguration = "Profiling";
+            $passedConfiguration .= "_Cairo" if ($isWinCairo && isCygwin());
+            return;
+        }
+    }
+    $passedConfiguration = undef;
+}
+
+sub passedConfiguration
+{
+    determinePassedConfiguration();
+    return $passedConfiguration;
+}
+
+sub setConfiguration
+{
+    setArchitecture();
+
+    if (my $config = shift @_) {
+        $configuration = $config;
+        return;
+    }
+
+    determinePassedConfiguration();
+    $configuration = $passedConfiguration if $passedConfiguration;
+}
+
+
+my $passedArchitecture;
+my $searchedForPassedArchitecture;
+sub determinePassedArchitecture
+{
+    return if $searchedForPassedArchitecture;
+    $searchedForPassedArchitecture = 1;
+
+    for my $i (0 .. $#ARGV) {
+        my $opt = $ARGV[$i];
+        if ($opt =~ /^--32-bit$/i) {
+            splice(@ARGV, $i, 1);
+            if (isAppleMacWebKit()) {
+                $passedArchitecture = `arch`;
+                chomp $passedArchitecture;
+            }
+            return;
+        }
+    }
+    $passedArchitecture = undef;
+}
+
+sub passedArchitecture
+{
+    determinePassedArchitecture();
+    return $passedArchitecture;
+}
+
+sub architecture()
+{
+    determineArchitecture();
+    return $architecture;
+}
+
+sub numberOfCPUs()
+{
+    determineNumberOfCPUs();
+    return $numberOfCPUs;
+}
+
+sub setArchitecture
+{
+    if (my $arch = shift @_) {
+        $architecture = $arch;
+        return;
+    }
+
+    determinePassedArchitecture();
+    $architecture = $passedArchitecture if $passedArchitecture;
+}
+
+
+sub safariPathFromSafariBundle
+{
+    my ($safariBundle) = @_;
+
+    return "$safariBundle/Contents/MacOS/Safari" if isAppleMacWebKit();
+    return $safariBundle if isAppleWinWebKit();
+}
+
+sub installedSafariPath
+{
+    my $safariBundle;
+
+    if (isAppleMacWebKit()) {
+        $safariBundle = "/Applications/Safari.app";
+    } elsif (isAppleWinWebKit()) {
+        $safariBundle = `"$configurationProductDir/FindSafari.exe"`;
+        $safariBundle =~ s/[\r\n]+$//;
+        $safariBundle = `cygpath -u '$safariBundle'`;
+        $safariBundle =~ s/[\r\n]+$//;
+        $safariBundle .= "Safari.exe";
+    }
+
+    return safariPathFromSafariBundle($safariBundle);
+}
+
+# Locate Safari.
+sub safariPath
+{
+    # Use WEBKIT_SAFARI environment variable if present.
+    my $safariBundle = $ENV{WEBKIT_SAFARI};
+    if (!$safariBundle) {
+        determineConfigurationProductDir();
+        # Use Safari.app in product directory if present (good for Safari development team).
+        if (isAppleMacWebKit() && -d "$configurationProductDir/Safari.app") {
+            $safariBundle = "$configurationProductDir/Safari.app";
+        } elsif (isAppleWinWebKit()) {
+            my $path = "$configurationProductDir/Safari.exe";
+            my $debugPath = "$configurationProductDir/Safari_debug.exe";
+
+            if (configurationForVisualStudio() =~ /Debug/ && -x $debugPath) {
+                $safariBundle = $debugPath;
+            } elsif (-x $path) {
+                $safariBundle = $path;
+            }
+        }
+        if (!$safariBundle) {
+            return installedSafariPath();
+        }
+    }
+    my $safariPath = safariPathFromSafariBundle($safariBundle);
+    die "Can't find executable at $safariPath.\n" if isAppleMacWebKit() && !-x $safariPath;
+    return $safariPath;
+}
+
+sub builtDylibPathForName
+{
+    my $libraryName = shift;
+    determineConfigurationProductDir();
+    if (isChromium()) {
+        return "$configurationProductDir/$libraryName";
+    }
+    if (isQt()) {
+        $libraryName = "QtWebKit";
+        if (isDarwin() and -d "$configurationProductDir/lib/$libraryName.framework") {
+            return "$configurationProductDir/lib/$libraryName.framework/$libraryName";
+        } elsif (isWindows()) {
+            if (configuration() eq "Debug") {
+                # On Windows, there is a "d" suffix to the library name. See <http://trac.webkit.org/changeset/53924/>.
+                $libraryName .= "d";
+            }
+
+            my $mkspec = `qmake -query QMAKE_MKSPECS`;
+            $mkspec =~ s/[\n|\r]$//g;
+            my $qtMajorVersion = retrieveQMakespecVar("$mkspec/qconfig.pri", "QT_MAJOR_VERSION");
+            if (not $qtMajorVersion) {
+                $qtMajorVersion = "";
+            }
+            return "$configurationProductDir/lib/$libraryName$qtMajorVersion.dll";
+        } else {
+            return "$configurationProductDir/lib/lib$libraryName.so";
+        }
+    }
+    if (isWx()) {
+        return "$configurationProductDir/libwxwebkit.dylib";
+    }
+    if (isGtk()) {
+        return "$configurationProductDir/$libraryName/../.libs/libwebkitgtk-1.0.so";
+    }
+    if (isEfl()) {
+        return "$configurationProductDir/$libraryName/../.libs/libewebkit.so";
+    }
+    if (isAppleMacWebKit()) {
+        return "$configurationProductDir/$libraryName.framework/Versions/A/$libraryName";
+    }
+    if (isAppleWinWebKit()) {
+        if ($libraryName eq "JavaScriptCore") {
+            return "$baseProductDir/lib/$libraryName.lib";
+        } else {
+            return "$baseProductDir/$libraryName.intermediate/$configuration/$libraryName.intermediate/$libraryName.lib";
+        }
+    }
+
+    die "Unsupported platform, can't determine built library locations.\nTry `build-webkit --help` for more information.\n";
+}
+
+# Check to see that all the frameworks are built.
+sub checkFrameworks # FIXME: This is a poor name since only the Mac calls built WebCore a Framework.
+{
+    return if isCygwin();
+    my @frameworks = ("JavaScriptCore", "WebCore");
+    push(@frameworks, "WebKit") if isAppleMacWebKit(); # FIXME: This seems wrong, all ports should have a WebKit these days.
+    for my $framework (@frameworks) {
+        my $path = builtDylibPathForName($framework);
+        die "Can't find built framework at \"$path\".\n" unless -e $path;
+    }
+}
+
+sub isInspectorFrontend()
+{
+    determineIsInspectorFrontend();
+    return $isInspectorFrontend;
+}
+
+sub determineIsInspectorFrontend()
+{
+    return if defined($isInspectorFrontend);
+    $isInspectorFrontend = checkForArgumentAndRemoveFromARGV("--inspector-frontend");
+}
+
+sub isQt()
+{
+    determineIsQt();
+    return $isQt;
+}
+
+sub isSymbian()
+{
+    determineIsSymbian();
+    return $isSymbian;
+}
+
+sub qtFeatureDefaults()
+{
+    determineQtFeatureDefaults();
+    return %qtFeatureDefaults;
+}
+
+sub commandExists($)
+{
+    my $command = shift;
+    my $devnull = File::Spec->devnull();
+    return `$command --version 2> $devnull`;
+}
+
+sub determineQtFeatureDefaults()
+{
+    return if %qtFeatureDefaults;
+    die "ERROR: qmake missing but required to build WebKit.\n" if not commandExists("qmake");
+    my $originalCwd = getcwd();
+    chdir File::Spec->catfile(sourceDir(), "WebCore");
+    my $defaults = `qmake CONFIG+=compute_defaults 2>&1`;
+    chdir $originalCwd;
+
+    while ($defaults =~ m/(\S*?)=(.*?)( |$)/gi) {
+        $qtFeatureDefaults{$1}=$2;
+    }
+}
+
+sub checkForArgumentAndRemoveFromARGV
+{
+    my $argToCheck = shift;
+    foreach my $opt (@ARGV) {
+        if ($opt =~ /^$argToCheck$/i ) {
+            @ARGV = grep(!/^$argToCheck$/i, @ARGV);
+            return 1;
+        }
+    }
+    return 0;
+}
+
+sub determineIsQt()
+{
+    return if defined($isQt);
+
+    # Allow override in case QTDIR is not set.
+    if (checkForArgumentAndRemoveFromARGV("--qt")) {
+        $isQt = 1;
+        return;
+    }
+
+    # The presence of QTDIR only means Qt if --gtk or --wx or --efl are not on the command-line
+    if (isGtk() || isWx() || isEfl()) {
+        $isQt = 0;
+        return;
+    }
+    
+    $isQt = defined($ENV{'QTDIR'});
+}
+
+sub determineIsSymbian()
+{
+    return if defined($isSymbian);
+
+    if (checkForArgumentAndRemoveFromARGV("--symbian")) {
+        $isSymbian = 1;
+        return;
+    }
+}
+
+sub determineIsEfl()
+{
+    return if defined($isEfl);
+    $isEfl = checkForArgumentAndRemoveFromARGV("--efl");
+}
+
+sub isEfl()
+{
+    determineIsEfl();
+    return $isEfl;
+}
+
+sub isGtk()
+{
+    determineIsGtk();
+    return $isGtk;
+}
+
+sub determineIsGtk()
+{
+    return if defined($isGtk);
+    $isGtk = checkForArgumentAndRemoveFromARGV("--gtk");
+}
+
+sub isWx()
+{
+    determineIsWx();
+    return $isWx;
+}
+
+sub determineIsWx()
+{
+    return if defined($isWx);
+    $isWx = checkForArgumentAndRemoveFromARGV("--wx");
+}
+
+sub getWxArgs()
+{
+    if (!@wxArgs) {
+        @wxArgs = ("");
+        my $rawWxArgs = "";
+        foreach my $opt (@ARGV) {
+            if ($opt =~ /^--wx-args/i ) {
+                @ARGV = grep(!/^--wx-args/i, @ARGV);
+                $rawWxArgs = $opt;
+                $rawWxArgs =~ s/--wx-args=//i;
+            }
+        }
+        @wxArgs = split(/,/, $rawWxArgs);
+    }
+    return @wxArgs;
+}
+
+# Determine if this is debian, ubuntu, linspire, or something similar.
+sub isDebianBased()
+{
+    return -e "/etc/debian_version";
+}
+
+sub isFedoraBased()
+{
+    return -e "/etc/fedora-release";
+}
+
+sub isChromium()
+{
+    determineIsChromium();
+    return $isChromium;
+}
+
+sub determineIsChromium()
+{
+    return if defined($isChromium);
+    $isChromium = checkForArgumentAndRemoveFromARGV("--chromium");
+}
+
+sub isCygwin()
+{
+    return ($^O eq "cygwin") || 0;
+}
+
+sub determineWinVersion()
+{
+    return if $winVersion;
+
+    if (!isCygwin()) {
+        $winVersion = -1;
+        return;
+    }
+
+    my $versionString = `uname -s`;
+    $versionString =~ /(\d\.\d)/;
+    $winVersion = $1;
+}
+
+sub winVersion()
+{
+    determineWinVersion();
+    return $winVersion;
+}
+
+sub isWindows7()
+{
+    return winVersion() eq "6.1";
+}
+
+sub isWindowsVista()
+{
+    return winVersion() eq "6.0";
+}
+
+sub isWindowsXP()
+{
+    return winVersion() eq "5.1";
+}
+
+sub isDarwin()
+{
+    return ($^O eq "darwin") || 0;
+}
+
+sub isWindows()
+{
+    return ($^O eq "MSWin32") || 0;
+}
+
+sub isMsys()
+{
+    return ($^O eq "msys") || 0;
+}
+
+sub isLinux()
+{
+    return ($^O eq "linux") || 0;
+}
+
+sub isAppleWebKit()
+{
+    return !(isQt() or isGtk() or isWx() or isChromium() or isEfl());
+}
+
+sub isAppleMacWebKit()
+{
+    return isAppleWebKit() && isDarwin();
+}
+
+sub isAppleWinWebKit()
+{
+    return isAppleWebKit() && isCygwin();
+}
+
+sub isPerianInstalled()
+{
+    if (!isAppleWebKit()) {
+        return 0;
+    }
+
+    if (-d "/Library/QuickTime/Perian.component") {
+        return 1;
+    }
+
+    if (-d "$ENV{HOME}/Library/QuickTime/Perian.component") {
+        return 1;
+    }
+
+    return 0;
+}
+
+sub determineOSXVersion()
+{
+    return if $osXVersion;
+
+    if (!isDarwin()) {
+        $osXVersion = -1;
+        return;
+    }
+
+    my $version = `sw_vers -productVersion`;
+    my @splitVersion = split(/\./, $version);
+    @splitVersion >= 2 or die "Invalid version $version";
+    $osXVersion = {
+            "major" => $splitVersion[0],
+            "minor" => $splitVersion[1],
+            "subminor" => (defined($splitVersion[2]) ? $splitVersion[2] : 0),
+    };
+}
+
+sub osXVersion()
+{
+    determineOSXVersion();
+    return $osXVersion;
+}
+
+sub isTiger()
+{
+    return isDarwin() && osXVersion()->{"minor"} == 4;
+}
+
+sub isLeopard()
+{
+    return isDarwin() && osXVersion()->{"minor"} == 5;
+}
+
+sub isSnowLeopard()
+{
+    return isDarwin() && osXVersion()->{"minor"} == 6;
+}
+
+sub isWindowsNT()
+{
+    return $ENV{'OS'} eq 'Windows_NT';
+}
+
+sub relativeScriptsDir()
+{
+    my $scriptDir = File::Spec->catpath("", File::Spec->abs2rel(dirname($0), getcwd()), "");
+    if ($scriptDir eq "") {
+        $scriptDir = ".";
+    }
+    return $scriptDir;
+}
+
+sub launcherPath()
+{
+    my $relativeScriptsPath = relativeScriptsDir();
+    if (isGtk() || isQt() || isWx() || isEfl()) {
+        return "$relativeScriptsPath/run-launcher";
+    } elsif (isAppleWebKit()) {
+        return "$relativeScriptsPath/run-safari";
+    }
+}
+
+sub launcherName()
+{
+    if (isGtk()) {
+        return "GtkLauncher";
+    } elsif (isQt()) {
+        return "QtTestBrowser";
+    } elsif (isWx()) {
+        return "wxBrowser";
+    } elsif (isAppleWebKit()) {
+        return "Safari";
+    } elsif (isEfl()) {
+        return "EWebLauncher";
+    }
+}
+
+sub checkRequiredSystemConfig
+{
+    if (isDarwin()) {
+        chomp(my $productVersion = `sw_vers -productVersion`);
+        if ($productVersion lt "10.4") {
+            print "*************************************************************\n";
+            print "Mac OS X Version 10.4.0 or later is required to build WebKit.\n";
+            print "You have " . $productVersion . ", thus the build will most likely fail.\n";
+            print "*************************************************************\n";
+        }
+        my $xcodeVersion = `xcodebuild -version`;
+        if ($xcodeVersion !~ /DevToolsCore-(\d+)/ || $1 < 747) {
+            print "*************************************************************\n";
+            print "Xcode Version 2.3 or later is required to build WebKit.\n";
+            print "You have an earlier version of Xcode, thus the build will\n";
+            print "most likely fail.  The latest Xcode is available from the web:\n";
+            print "http://developer.apple.com/tools/xcode\n";
+            print "*************************************************************\n";
+        }
+    } elsif (isGtk() or isQt() or isWx() or isEfl()) {
+        my @cmds = qw(flex bison gperf);
+        my @missing = ();
+        foreach my $cmd (@cmds) {
+            push @missing, $cmd if not commandExists($cmd);
+        }
+
+        if (@missing) {
+            my $list = join ", ", @missing;
+            die "ERROR: $list missing but required to build WebKit.\n";
+        }
+    }
+    # Win32 and other platforms may want to check for minimum config
+}
+
+sub determineWindowsSourceDir()
+{
+    return if $windowsSourceDir;
+    my $sourceDir = sourceDir();
+    chomp($windowsSourceDir = `cygpath -w '$sourceDir'`);
+}
+
+sub windowsSourceDir()
+{
+    determineWindowsSourceDir();
+    return $windowsSourceDir;
+}
+
+sub windowsLibrariesDir()
+{
+    return windowsSourceDir() . "\\WebKitLibraries\\win";
+}
+
+sub windowsOutputDir()
+{
+    return windowsSourceDir() . "\\WebKitBuild";
+}
+
+sub setupAppleWinEnv()
+{
+    return unless isAppleWinWebKit();
+
+    if (isWindowsNT()) {
+        my $restartNeeded = 0;
+        my %variablesToSet = ();
+
+        # Setting the environment variable 'CYGWIN' to 'tty' makes cygwin enable extra support (i.e., termios)
+        # for UNIX-like ttys in the Windows console
+        $variablesToSet{CYGWIN} = "tty" unless $ENV{CYGWIN};
+        
+        # Those environment variables must be set to be able to build inside Visual Studio.
+        $variablesToSet{WEBKITLIBRARIESDIR} = windowsLibrariesDir() unless $ENV{WEBKITLIBRARIESDIR};
+        $variablesToSet{WEBKITOUTPUTDIR} = windowsOutputDir() unless $ENV{WEBKITOUTPUTDIR};
+
+        foreach my $variable (keys %variablesToSet) {
+            print "Setting the Environment Variable '" . $variable . "' to '" . $variablesToSet{$variable} . "'\n\n";
+            system qw(regtool -s set), '\\HKEY_CURRENT_USER\\Environment\\' . $variable, $variablesToSet{$variable};
+            $restartNeeded ||= $variable eq "WEBKITLIBRARIESDIR" || $variable eq "WEBKITOUTPUTDIR";
+        }
+
+        if ($restartNeeded) {
+            print "Please restart your computer before attempting to build inside Visual Studio.\n\n";
+        }
+    } else {
+        if (!$ENV{'WEBKITLIBRARIESDIR'}) {
+            print "Warning: You must set the 'WebKitLibrariesDir' environment variable\n";
+            print "         to be able build WebKit from within Visual Studio.\n";
+            print "         Make sure that 'WebKitLibrariesDir' points to the\n";
+            print "         'WebKitLibraries/win' directory, not the 'WebKitLibraries/' directory.\n\n";
+        }
+        if (!$ENV{'WEBKITOUTPUTDIR'}) {
+            print "Warning: You must set the 'WebKitOutputDir' environment variable\n";
+            print "         to be able build WebKit from within Visual Studio.\n\n";
+        }
+    }
+}
+
+sub setupCygwinEnv()
+{
+    return if !isCygwin();
+    return if $vcBuildPath;
+
+    my $vsInstallDir;
+    my $programFilesPath = $ENV{'PROGRAMFILES'} || "C:\\Program Files";
+    if ($ENV{'VSINSTALLDIR'}) {
+        $vsInstallDir = $ENV{'VSINSTALLDIR'};
+    } else {
+        $vsInstallDir = "$programFilesPath/Microsoft Visual Studio 8";
+    }
+    $vsInstallDir = `cygpath "$vsInstallDir"`;
+    chomp $vsInstallDir;
+    $vcBuildPath = "$vsInstallDir/Common7/IDE/devenv.com";
+    if (-e $vcBuildPath) {
+        # Visual Studio is installed; we can use pdevenv to build.
+        $vcBuildPath = File::Spec->catfile(sourceDir(), qw(WebKitTools Scripts pdevenv));
+    } else {
+        # Visual Studio not found, try VC++ Express
+        $vcBuildPath = "$vsInstallDir/Common7/IDE/VCExpress.exe";
+        if (! -e $vcBuildPath) {
+            print "*************************************************************\n";
+            print "Cannot find '$vcBuildPath'\n";
+            print "Please execute the file 'vcvars32.bat' from\n";
+            print "'$programFilesPath\\Microsoft Visual Studio 8\\VC\\bin\\'\n";
+            print "to setup the necessary environment variables.\n";
+            print "*************************************************************\n";
+            die;
+        }
+        $willUseVCExpressWhenBuilding = 1;
+    }
+
+    my $qtSDKPath = "$programFilesPath/QuickTime SDK";
+    if (0 && ! -e $qtSDKPath) {
+        print "*************************************************************\n";
+        print "Cannot find '$qtSDKPath'\n";
+        print "Please download the QuickTime SDK for Windows from\n";
+        print "http://developer.apple.com/quicktime/download/\n";
+        print "*************************************************************\n";
+        die;
+    }
+    
+    chomp($ENV{'WEBKITLIBRARIESDIR'} = `cygpath -wa "$sourceDir/WebKitLibraries/win"`) unless $ENV{'WEBKITLIBRARIESDIR'};
+
+    $windowsTmpPath = `cygpath -w /tmp`;
+    chomp $windowsTmpPath;
+    print "Building results into: ", baseProductDir(), "\n";
+    print "WEBKITOUTPUTDIR is set to: ", $ENV{"WEBKITOUTPUTDIR"}, "\n";
+    print "WEBKITLIBRARIESDIR is set to: ", $ENV{"WEBKITLIBRARIESDIR"}, "\n";
+}
+
+sub dieIfWindowsPlatformSDKNotInstalled
+{
+    my $registry32Path = "/proc/registry/";
+    my $registry64Path = "/proc/registry64/";
+    my $windowsPlatformSDKRegistryEntry = "HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/MicrosoftSDK/InstalledSDKs/D2FF9F89-8AA2-4373-8A31-C838BF4DBBE1";
+
+    # FIXME: It would be better to detect whether we are using 32- or 64-bit Windows
+    # and only check the appropriate entry. But for now we just blindly check both.
+    return if (-e $registry32Path . $windowsPlatformSDKRegistryEntry) || (-e $registry64Path . $windowsPlatformSDKRegistryEntry);
+
+    print "*************************************************************\n";
+    print "Cannot find registry entry '$windowsPlatformSDKRegistryEntry'.\n";
+    print "Please download and install the Microsoft Windows Server 2003 R2\n";
+    print "Platform SDK from <http://www.microsoft.com/downloads/details.aspx?\n";
+    print "familyid=0baf2b35-c656-4969-ace8-e4c0c0716adb&displaylang=en>.\n\n";
+    print "Then follow step 2 in the Windows section of the \"Installing Developer\n";
+    print "Tools\" instructions at <http://www.webkit.org/building/tools.html>.\n";
+    print "*************************************************************\n";
+    die;
+}
+
+sub copyInspectorFrontendFiles
+{
+    my $productDir = productDir();
+    my $sourceInspectorPath = sourceDir() . "/WebCore/inspector/front-end/";
+    my $inspectorResourcesDirPath = $ENV{"WEBKITINSPECTORRESOURCESDIR"};
+
+    if (!defined($inspectorResourcesDirPath)) {
+        $inspectorResourcesDirPath = "";
+    }
+
+    if (isAppleMacWebKit()) {
+        $inspectorResourcesDirPath = $productDir . "/WebCore.framework/Resources/inspector";
+    } elsif (isAppleWinWebKit()) {
+        $inspectorResourcesDirPath = $productDir . "/WebKit.resources/inspector";
+    } elsif (isQt() || isGtk()) {
+        my $prefix = $ENV{"WebKitInstallationPrefix"};
+        $inspectorResourcesDirPath = (defined($prefix) ? $prefix : "/usr/share") . "/webkit-1.0/webinspector";
+    } elsif (isEfl()) {
+        my $prefix = $ENV{"WebKitInstallationPrefix"};
+        $inspectorResourcesDirPath = (defined($prefix) ? $prefix : "/usr/share") . "/ewebkit/webinspector";
+    }
+
+    if (! -d $inspectorResourcesDirPath) {
+        print "*************************************************************\n";
+        print "Cannot find '$inspectorResourcesDirPath'.\n" if (defined($inspectorResourcesDirPath));
+        print "Make sure that you have built WebKit first.\n" if (! -d $productDir || defined($inspectorResourcesDirPath));
+        print "Optionally, set the environment variable 'WebKitInspectorResourcesDir'\n";
+        print "to point to the directory that contains the WebKit Inspector front-end\n";
+        print "files for the built WebCore framework.\n";
+        print "*************************************************************\n";
+        die;
+    }
+    return system "rsync", "-aut", "--exclude=/.DS_Store", "--exclude=*.re2js", "--exclude=.svn/", !isQt() ? "--exclude=/WebKit.qrc" : "", $sourceInspectorPath, $inspectorResourcesDirPath;
+}
+
+sub buildXCodeProject($$@)
+{
+    my ($project, $clean, @extraOptions) = @_;
+
+    if ($clean) {
+        push(@extraOptions, "-alltargets");
+        push(@extraOptions, "clean");
+    }
+
+    return system "xcodebuild", "-project", "$project.xcodeproj", @extraOptions;
+}
+
+sub buildVisualStudioProject
+{
+    my ($project, $clean) = @_;
+    setupCygwinEnv();
+
+    my $config = configurationForVisualStudio();
+
+    dieIfWindowsPlatformSDKNotInstalled() if $willUseVCExpressWhenBuilding;
+
+    chomp(my $winProjectPath = `cygpath -w "$project"`);
+    
+    my $action = "/build";
+    if ($clean) {
+        $action = "/clean";
+    }
+
+    my @command = ($vcBuildPath, $winProjectPath, $action, $config);
+
+    print join(" ", @command), "\n";
+    return system @command;
+}
+
+sub downloadWafIfNeeded
+{
+    # get / update waf if needed
+    my $waf = "$sourceDir/WebKitTools/wx/waf";
+    my $wafURL = 'http://wxwebkit.wxcommunity.com/downloads/deps/waf';
+    if (!-f $waf) {
+        my $result = system "curl -o $waf $wafURL";
+        chmod 0755, $waf;
+    }
+}
+
+sub buildWafProject
+{
+    my ($project, $shouldClean, @options) = @_;
+    
+    # set the PYTHONPATH for waf
+    my $pythonPath = $ENV{'PYTHONPATH'};
+    if (!defined($pythonPath)) {
+        $pythonPath = '';
+    }
+    my $sourceDir = sourceDir();
+    my $newPythonPath = "$sourceDir/WebKitTools/wx/build:$pythonPath";
+    if (isCygwin()) {
+        $newPythonPath = `cygpath --mixed --path $newPythonPath`;
+    }
+    $ENV{'PYTHONPATH'} = $newPythonPath;
+    
+    print "Building $project\n";
+
+    my $wafCommand = "$sourceDir/WebKitTools/wx/waf";
+    if ($ENV{'WXWEBKIT_WAF'}) {
+        $wafCommand = $ENV{'WXWEBKIT_WAF'};
+    }
+    if (isCygwin()) {
+        $wafCommand = `cygpath --windows "$wafCommand"`;
+        chomp($wafCommand);
+    }
+    if ($shouldClean) {
+        return system $wafCommand, "clean", "distclean";
+    }
+    
+    return system $wafCommand, 'configure', 'build', 'install', @options;
+}
+
+sub retrieveQMakespecVar
+{
+    my $mkspec = $_[0];
+    my $varname = $_[1];
+
+    my $varvalue = undef;
+    #print "retrieveMakespecVar " . $mkspec . ", " . $varname . "\n";
+
+    local *SPEC;
+    open SPEC, "<$mkspec" or return $varvalue;
+    while (<SPEC>) {
+        if ($_ =~ /\s*include\((.+)\)/) {
+            # open the included mkspec
+            my $oldcwd = getcwd();
+            (my $volume, my $directories, my $file) = File::Spec->splitpath($mkspec);
+            my $newcwd = "$volume$directories";
+            chdir $newcwd if $newcwd;
+            $varvalue = retrieveQMakespecVar($1, $varname);
+            chdir $oldcwd;
+        } elsif ($_ =~ /$varname\s*=\s*([^\s]+)/) {
+            $varvalue = $1;
+            last;
+        }
+    }
+    close SPEC;
+    return $varvalue;
+}
+
+sub qtMakeCommand($)
+{
+    my ($qmakebin) = @_;
+    chomp(my $mkspec = `$qmakebin -query QMAKE_MKSPECS`);
+    $mkspec .= "/default";
+    my $compiler = retrieveQMakespecVar("$mkspec/qmake.conf", "QMAKE_CC");
+
+    #print "default spec: " . $mkspec . "\n";
+    #print "compiler found: " . $compiler . "\n";
+
+    if ($compiler && $compiler eq "cl") {
+        return "nmake";
+    }
+
+    return "make";
+}
+
+sub autotoolsFlag($$)
+{
+    my ($flag, $feature) = @_;
+    my $prefix = $flag ? "--enable" : "--disable";
+
+    return $prefix . '-' . $feature;
+}
+
+sub buildAutotoolsProject($@)
+{
+    my ($clean, @buildParams) = @_;
+
+    my $make = 'make';
+    my $dir = productDir();
+    my $config = passedConfiguration() || configuration();
+    my $prefix;
+
+    my @buildArgs = ();
+    my $makeArgs = $ENV{"WebKitMakeArguments"} || "";
+    for my $i (0 .. $#buildParams) {
+        my $opt = $buildParams[$i];
+        if ($opt =~ /^--makeargs=(.*)/i ) {
+            $makeArgs = $makeArgs . " " . $1;
+        } elsif ($opt =~ /^--prefix=(.*)/i ) {
+            $prefix = $1;
+        } else {
+            push @buildArgs, $opt;
+        }
+    }
+
+    # Automatically determine the number of CPUs for make only
+    # if make arguments haven't already been specified.
+    if ($makeArgs eq "") {
+        $makeArgs = "-j" . numberOfCPUs();
+    }
+
+    $prefix = $ENV{"WebKitInstallationPrefix"} if !defined($prefix);
+    push @buildArgs, "--prefix=" . $prefix if defined($prefix);
+
+    # check if configuration is Debug
+    if ($config =~ m/debug/i) {
+        push @buildArgs, "--enable-debug";
+    } else {
+        push @buildArgs, "--disable-debug";
+    }
+
+    # Use rm to clean the build directory since distclean may miss files
+    if ($clean && -d $dir) {
+        system "rm", "-rf", "$dir";
+    }
+
+    if (! -d $dir) {
+        File::Path::mkpath($dir) or die "Failed to create build directory " . $dir
+    }
+    chdir $dir or die "Failed to cd into " . $dir . "\n";
+
+    if ($clean) {
+        return 0;
+    }
+
+    # If GNUmakefile exists, don't run autogen.sh. The makefile should be
+    # smart enough to track autotools dependencies and re-run autogen.sh
+    # when build files change.
+    my $result;
+    if (! -e "GNUmakefile") {
+        print "Calling configure in " . $dir . "\n\n";
+        print "Installation prefix directory: $prefix\n" if(defined($prefix));
+
+        # Make the path relative since it will appear in all -I compiler flags.
+        # Long argument lists cause bizarre slowdowns in libtool.
+        my $relSourceDir = File::Spec->abs2rel($sourceDir) || ".";
+        $result = system "$relSourceDir/autogen.sh", @buildArgs;
+        if ($result ne 0) {
+            die "Failed to setup build environment using 'autotools'!\n";
+        }
+    }
+
+    $result = system "$make $makeArgs";
+    if ($result ne 0) {
+        die "\nFailed to build WebKit using '$make'!\n";
+    }
+
+    chdir ".." or die;
+    return $result;
+}
+
+sub buildQMakeProject($@)
+{
+    my ($clean, @buildParams) = @_;
+
+    my @buildArgs = ("-r");
+
+    my $qmakebin = "qmake"; # Allow override of the qmake binary from $PATH
+    my $makeargs = "";
+    my $installHeaders;
+    my $installLibs;
+    for my $i (0 .. $#buildParams) {
+        my $opt = $buildParams[$i];
+        if ($opt =~ /^--qmake=(.*)/i ) {
+            $qmakebin = $1;
+        } elsif ($opt =~ /^--qmakearg=(.*)/i ) {
+            push @buildArgs, $1;
+        } elsif ($opt =~ /^--makeargs=(.*)/i ) {
+            $makeargs = $1;
+        } elsif ($opt =~ /^--install-headers=(.*)/i ) {
+            $installHeaders = $1;
+        } elsif ($opt =~ /^--install-libs=(.*)/i ) {
+            $installLibs = $1;
+        } else {
+            push @buildArgs, $opt;
+        }
+    }
+
+    my $make = qtMakeCommand($qmakebin);
+    my $config = configuration();
+    push @buildArgs, "INSTALL_HEADERS=" . $installHeaders if defined($installHeaders);
+    push @buildArgs, "INSTALL_LIBS=" . $installLibs if defined($installLibs);
+    my $dir = File::Spec->canonpath(baseProductDir());
+    $dir = File::Spec->catfile($dir, $config) unless isSymbian();
+    File::Path::mkpath($dir);
+    chdir $dir or die "Failed to cd into " . $dir . "\n";
+
+    print "Generating derived sources\n\n";
+
+    my @dsQmakeArgs = @buildArgs;
+    push @dsQmakeArgs, "-r";
+    push @dsQmakeArgs, sourceDir() . "/DerivedSources.pro";
+    push @dsQmakeArgs, "-o Makefile.DerivedSources";
+    print "Calling '$qmakebin @dsQmakeArgs' in " . $dir . "\n\n";
+    my $result = system "$qmakebin @dsQmakeArgs";
+    if ($result ne 0) {
+        die "Failed while running $qmakebin to generate derived sources!\n";
+    }
+
+    my $dsMakefile = "Makefile.DerivedSources";
+
+    # Iterate over different source directories manually to workaround a problem with qmake+extraTargets+s60
+    for my $subdir ("JavaScriptCore", "WebCore", "WebKit/qt/Api") {
+        print "Calling '$make $makeargs -f $dsMakefile generated_files' in " . $dir . "/$subdir\n\n";
+        if ($make eq "nmake") {
+            my $subdirWindows = $subdir;
+            $subdirWindows =~ s:/:\\:g;
+            $result = system "pushd $subdirWindows && $make $makeargs -f $dsMakefile generated_files && popd";
+        } else {
+            $result = system "$make $makeargs -C $subdir -f $dsMakefile generated_files";
+        }
+        if ($result ne 0) {
+            die "Failed to generate ${subdir}'s derived sources!\n";
+        }
+    }
+
+    push @buildArgs, "OUTPUT_DIR=" . baseProductDir() . "/$config";
+    push @buildArgs, sourceDir() . "/WebKit.pro";
+    if ($config =~ m/debug/i) {
+        push @buildArgs, "CONFIG-=release";
+        push @buildArgs, "CONFIG+=debug";
+    } else {
+        my $passedConfig = passedConfiguration() || "";
+        if (!isDarwin() || $passedConfig =~ m/release/i) {
+            push @buildArgs, "CONFIG+=release";
+            push @buildArgs, "CONFIG-=debug";
+        } else {
+            push @buildArgs, "CONFIG+=debug";
+            push @buildArgs, "CONFIG+=debug_and_release";
+        }
+    }
+
+    print "Calling '$qmakebin @buildArgs' in " . $dir . "\n\n";
+    print "Installation headers directory: $installHeaders\n" if(defined($installHeaders));
+    print "Installation libraries directory: $installLibs\n" if(defined($installLibs));
+
+    $result = system "$qmakebin @buildArgs";
+    if ($result ne 0) {
+       die "Failed to setup build environment using $qmakebin!\n";
+    }
+
+    if ($clean) {
+      print "Calling '$make $makeargs distclean' in " . $dir . "\n\n";
+      $result = system "$make $makeargs distclean";
+    } elsif (isSymbian()) {
+      print "\n\nWebKit is now configured for building, but you have to make\n";
+      print "a choice about the target yourself. To start the build run:\n\n";
+      print "    make release-armv5|debug-winscw|etc.\n\n";
+    } else {
+      print "Calling '$make $makeargs' in " . $dir . "\n\n";
+      $result = system "$make $makeargs";
+    }
+
+    chdir ".." or die;
+    return $result;
+}
+
+sub buildQMakeQtProject($$@)
+{
+    my ($project, $clean, @buildArgs) = @_;
+
+    return buildQMakeProject($clean, @buildArgs);
+}
+
+sub buildGtkProject($$@)
+{
+    my ($project, $clean, @buildArgs) = @_;
+
+    if ($project ne "WebKit") {
+        die "The Gtk port builds JavaScriptCore, WebCore and WebKit in one shot! Only call it for 'WebKit'.\n";
+    }
+
+    return buildAutotoolsProject($clean, @buildArgs);
+}
+
+sub buildChromiumMakefile($$)
+{
+    my ($target, $clean) = @_;
+    if ($clean) {
+        return system qw(rm -rf out);
+    }
+    my $config = configuration();
+    my $numCpus = numberOfCPUs();
+    my @command = ("make", "-fMakefile.chromium", "-j$numCpus", "BUILDTYPE=$config", $target);
+    print join(" ", @command) . "\n";
+    return system @command;
+}
+
+sub buildChromiumVisualStudioProject($$)
+{
+    my ($projectPath, $clean) = @_;
+
+    my $config = configuration();
+    my $action = "/build";
+    $action = "/clean" if $clean;
+
+    # Find Visual Studio installation.
+    my $vsInstallDir;
+    my $programFilesPath = $ENV{'PROGRAMFILES'} || "C:\\Program Files";
+    if ($ENV{'VSINSTALLDIR'}) {
+        $vsInstallDir = $ENV{'VSINSTALLDIR'};
+    } else {
+        $vsInstallDir = "$programFilesPath/Microsoft Visual Studio 8";
+    }
+    $vsInstallDir = `cygpath "$vsInstallDir"` if isCygwin();
+    chomp $vsInstallDir;
+    $vcBuildPath = "$vsInstallDir/Common7/IDE/devenv.com";
+    if (! -e $vcBuildPath) {
+        # Visual Studio not found, try VC++ Express
+        $vcBuildPath = "$vsInstallDir/Common7/IDE/VCExpress.exe";
+        if (! -e $vcBuildPath) {
+            print "*************************************************************\n";
+            print "Cannot find '$vcBuildPath'\n";
+            print "Please execute the file 'vcvars32.bat' from\n";
+            print "'$programFilesPath\\Microsoft Visual Studio 8\\VC\\bin\\'\n";
+            print "to setup the necessary environment variables.\n";
+            print "*************************************************************\n";
+            die;
+        }
+    }
+
+    # Create command line and execute it.
+    my @command = ($vcBuildPath, $projectPath, $action, $config);
+    print "Building results into: ", baseProductDir(), "\n";
+    print join(" ", @command), "\n";
+    return system @command;
+}
+
+sub buildChromium($@)
+{
+    my ($clean, @options) = @_;
+
+    # We might need to update DEPS or re-run GYP if things have changed.
+    system("perl", "WebKitTools/Scripts/update-webkit-chromium") == 0 or die $!;
+
+    my $result = 1;
+    if (isDarwin()) {
+        # Mac build - builds the root xcode project.
+        $result = buildXCodeProject("WebKit/chromium/WebKit", $clean, "-configuration", configuration(), @options);
+    } elsif (isCygwin() || isWindows()) {
+        # Windows build - builds the root visual studio solution.
+        $result = buildChromiumVisualStudioProject("WebKit/chromium/WebKit.sln", $clean);
+    } elsif (isLinux()) {
+        # Linux build - build using make.
+        $ result = buildChromiumMakefile("all", $clean);
+    } else {
+        print STDERR "This platform is not supported by chromium.\n";
+    }
+    return $result;
+}
+
+sub appleApplicationSupportPath
+{
+    open INSTALL_DIR, "</proc/registry/HKEY_LOCAL_MACHINE/SOFTWARE/Apple\ Inc./Apple\ Application\ Support/InstallDir";
+    my $path = <INSTALL_DIR>;
+    $path =~ s/[\r\n\x00].*//;
+    close INSTALL_DIR;
+
+    my $unixPath = `cygpath -u '$path'`;
+    chomp $unixPath;
+    return $unixPath;
+}
+
+sub setPathForRunningWebKitApp
+{
+    my ($env) = @_;
+
+    if (isAppleWinWebKit()) {
+        $env->{PATH} = join(':', productDir(), dirname(installedSafariPath()), appleApplicationSupportPath(), $env->{PATH} || "");
+    } elsif (isQt()) {
+        my $qtLibs = `qmake -query QT_INSTALL_LIBS`;
+        $qtLibs =~ s/[\n|\r]$//g;
+        $env->{PATH} = join(';', $qtLibs, productDir() . "/lib", $env->{PATH} || "");
+    }
+}
+
+sub runSafari
+{
+    my ($debugger) = @_;
+
+    if (isAppleMacWebKit()) {
+        return system "$FindBin::Bin/gdb-safari", argumentsForConfiguration() if $debugger;
+
+        my $productDir = productDir();
+        print "Starting Safari with DYLD_FRAMEWORK_PATH set to point to built WebKit in $productDir.\n";
+        $ENV{DYLD_FRAMEWORK_PATH} = $productDir;
+        $ENV{WEBKIT_UNSET_DYLD_FRAMEWORK_PATH} = "YES";
+        if (!isTiger() && architecture()) {
+            return system "arch", "-" . architecture(), safariPath(), @ARGV;
+        } else {
+            return system safariPath(), @ARGV;
+        }
+    }
+
+    if (isAppleWinWebKit()) {
+        my $result;
+        my $productDir = productDir();
+        if ($debugger) {
+            setupCygwinEnv();
+            chomp($ENV{WEBKITNIGHTLY} = `cygpath -wa "$productDir"`);
+            my $safariPath = safariPath();
+            chomp($safariPath = `cygpath -wa "$safariPath"`);
+            $result = system $vcBuildPath, "/debugexe", "\"$safariPath\"", @ARGV;
+        } else {
+            $result = system File::Spec->catfile(productDir(), "WebKit.exe"), @ARGV;
+        }
+        return $result if $result;
+    }
+
+    return 1;
+}
+
+sub runMiniBrowser
+{
+    if (isAppleMacWebKit()) {
+        my $productDir = productDir();
+        print "Starting MiniBrowser with DYLD_FRAMEWORK_PATH set to point to $productDir.\n";
+        $ENV{DYLD_FRAMEWORK_PATH} = $productDir;
+        $ENV{WEBKIT_UNSET_DYLD_FRAMEWORK_PATH} = "YES";
+        my $miniBrowserPath = "$productDir/MiniBrowser.app/Contents/MacOS/MiniBrowser";
+        if (!isTiger() && architecture()) {
+            return system "arch", "-" . architecture(), $miniBrowserPath, @ARGV;
+        } else {
+            return system $miniBrowserPath, @ARGV;
+        }
+    }
+
+    return 1;
+}
+
+sub debugMiniBrowser
+{
+    if (isAppleMacWebKit()) {
+        my $gdbPath = "/usr/bin/gdb";
+        die "Can't find gdb executable. Is gdb installed?\n" unless -x $gdbPath;
+
+        my $productDir = productDir();
+
+        $ENV{DYLD_FRAMEWORK_PATH} = $productDir;
+        $ENV{WEBKIT_UNSET_DYLD_FRAMEWORK_PATH} = 'YES';
+
+        my $miniBrowserPath = "$productDir/MiniBrowser.app/Contents/MacOS/MiniBrowser";
+
+        print "Starting MiniBrowser under gdb with DYLD_FRAMEWORK_PATH set to point to built WebKit2 in $productDir.\n";
+        my @architectureFlags = ("-arch", architecture()) if !isTiger();
+        exec $gdbPath, @architectureFlags, $miniBrowserPath or die;
+        return;
+    }
+    
+    return 1;
+}
+
+sub runWebKitTestRunner
+{
+    if (isAppleMacWebKit()) {
+        my $productDir = productDir();
+        print "Starting WebKitTestRunner with DYLD_FRAMEWORK_PATH set to point to $productDir.\n";
+        $ENV{DYLD_FRAMEWORK_PATH} = $productDir;
+        $ENV{WEBKIT_UNSET_DYLD_FRAMEWORK_PATH} = "YES";
+        my $webKitTestRunnerPath = "$productDir/WebKitTestRunner";
+        if (!isTiger() && architecture()) {
+            return system "arch", "-" . architecture(), $webKitTestRunnerPath, @ARGV;
+        } else {
+            return system $webKitTestRunnerPath, @ARGV;
+        }
+    }
+
+    return 1;
+}
+
+sub debugWebKitTestRunner
+{
+    if (isAppleMacWebKit()) {
+        my $gdbPath = "/usr/bin/gdb";
+        die "Can't find gdb executable. Is gdb installed?\n" unless -x $gdbPath;
+
+        my $productDir = productDir();
+        $ENV{DYLD_FRAMEWORK_PATH} = $productDir;
+        $ENV{WEBKIT_UNSET_DYLD_FRAMEWORK_PATH} = 'YES';
+
+        my $webKitTestRunnerPath = "$productDir/WebKitTestRunner";
+
+        print "Starting WebKitTestRunner under gdb with DYLD_FRAMEWORK_PATH set to point to $productDir.\n";
+        my @architectureFlags = ("-arch", architecture()) if !isTiger();
+        exec $gdbPath, @architectureFlags, $webKitTestRunnerPath or die;
+        return;
+    }
+
+    return 1;
+}
+
+1;